Arcsine

Definition of Arcsine

• Arcsine is the inverse function of sine. It is also written as arcsin or

If y = sin x, then x = arcsin y.

Examples of Arcsine

• 

or

This means that the angle 30° has sine equal to .

Solved Example on Arcsine

arcsin(0.1218) =

Choices:

A. 12°

B. 83°

C. 78°

D. 7°

Correct Answer: D

Solution:

Step 1:   arcsin(0.1218) = 7°, rounded to the nearest degree.      [Use calculator in degree mode.]

Related Terms for Arcsine

• Sine
• Inverse Function

                    

Additional Links for Arcsine

• Click here for samples
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